package com.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.reggie.common.R;
import com.reggie.entity.User;
import com.reggie.service.UserService;
import com.reggie.utils.SMSUtils;
import com.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.jws.soap.SOAPBinding;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机验证码短信
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user,HttpSession session ){
        //获取手机号
        String phone = user.getPhone();

        if(org.apache.commons.lang.StringUtils.isNotEmpty(phone)){
            //随机4位验证码生成
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("phone={}  code={}",phone,code);

            //调用阿里云提供的短信服务API完成发送短信
            SMSUtils.sendMessage("asuka外卖","SMS_465423734",phone,code);

            //需要将生成的验证码保存到Session中用来校验
//            session.setAttribute(phone,code);
            //将验证码存入redis，并设置好失效时间为5分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("手机验证码短信发送成功");
        }


        return R.error("手机验证码短信发送失败");
    }


    /**
     * 移动端用户登录
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> sendMsg(@RequestBody Map map, HttpSession session ){
        log.info(map.toString());

        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        //Object codeInSession = session.getAttribute(phone);
        //从redis中获取保存的验证码
        String tempCode = (String) redisTemplate.opsForValue().get(phone);

        //进行验证码的比对

//        if (codeInSession != null && codeInSession.equals(code)){
        if (code.equals(tempCode) && session != null){
            //如果比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user =userService.getOne(queryWrapper);
            if (user == null){
                //判断当前手机号是否为新用户，如果是新用户自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            //把用户的id存入Session，留给过滤器进行验证放行
            session.setAttribute("user",user.getId());

            //此时已经登录成功，向redis中存入用户id信息
            //redisTemplate.opsForValue().set("user",user.getId());
            //再删掉验证码
            redisTemplate.delete(user.getPhone());

            return R.success(user);
        }

        return R.error("登录失败");
    }

    /**
     * 登出功能
     * @param request
     * @return
     */
    @PostMapping("/loginout")
    public R<String> logout(HttpServletRequest request) {
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }
}
